Finding the Third Proportional to 187,842 and 442,970

Step by Step Solution

1. Step 1: Write the proportion equation
   187,842 : 442,970 = 442,970 : x
2. Step 2: Convert to fraction form
   187,842/442,970 = 442,970/x
3. Step 3: Cross multiply
   187,842x = 442,970 × 442,970
4. Step 4: Simplify right side
   187,842x = 196,222,420,900
5. Step 5: Solve for x
   x = 196,222,420,900/187,842
6. Step 6: Final answer
   x = 1,044,614.20